Portable Crushing Plant Metal/Non-Metal
Koenig's Sand & Stone LLC
· Surface
Controlled by
Matthew M Koenig
DePere, WI,
Brown County,
WI
·
Intermittent
MSHA Mine ID: 4703596
Portable Crushing Plant has $5K in proposed MSHA penalties and $0 outstanding across 0 contested dockets, plus health sampling and the full incident record.
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- Fatalities
- 0
- Total incidents
- 0
- Years on record
- —
- Latest incident
- —
Compliance record
MSHA citations since 2012
40
citations
3
significant & substantial
$4,798
proposed penalties
$4,798
paid to date
100% of proposed penalties paid to date, a $0 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2011
27
inspections on record
259
inspection hours
n/a
citations per 100 inspection hours
ⓘ
This rate is recorded citations divided by MSHA inspection hours, per 100 hours. It reflects inspection effort, not mine size or production.Rate withheld: 259 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.
Portable Crushing Plant has $5K in proposed MSHA penalties and $0 outstanding across 0 contested dockets.
Penalty disposition
ⓘ
Differences between proposed and paid penalties reflect both settlements and conference reductions and amounts still owed. Outstanding is the balance currently owed.$5K
proposed penalties
$5K
current assessed
$5K
paid to date
$0
outstanding
40 assessments are final orders; 0 contested dockets.
As of the most recent assessment on 2025-08-25.
Source: MSHA assessed-violations and conference/litigation data, updated weekly.
See also
the operator's enforcement record
Quarterly safety rates
ⓘ
Citations per million reported employee-hours. Rates begin in 2000, when MSHA's quarterly employment data starts; earlier incidents are counted but cannot be rate-adjusted. Quarters under 100,000 reported hours are greyed: too few hours for a stable rate.Citations per million employee-hours, as reported to MSHA
| Quarter | Hours worked | Citations | S&S | Per 1M hrs |
|---|---|---|---|---|
| 2025 Q4 | 0 | 0 | 0 | |
| 2025 Q3 | 1,226 | 3 | 0 | 2447.0 |
| 2025 Q2 | 619 | 0 | 0 | 0.0 |
| 2025 Q1 | 0 | 0 | 0 | |
| 2024 Q4 | 354 | 0 | 0 | 0.0 |
| 2024 Q3 | 1,113 | 2 | 0 | 1796.9 |
| 2024 Q2 | 364 | 0 | 0 | 0.0 |
| 2024 Q1 | 0 | 0 | 0 |
Show 51 earlier quarters Hide earlier quarters
| Quarter | Hours worked | Citations | S&S | Per 1M hrs |
|---|---|---|---|---|
| 2023 Q4 | 1,207 | 0 | 0 | 0.0 |
| 2023 Q3 | 1,289 | 1 | 0 | 775.8 |
| 2023 Q2 | 611 | 0 | 0 | 0.0 |
| 2023 Q1 | 0 | 0 | 0 | |
| 2022 Q4 | 278 | 0 | 0 | 0.0 |
| 2022 Q3 | 1,050 | 2 | 0 | 1904.8 |
| 2022 Q2 | 905 | 0 | 0 | 0.0 |
| 2022 Q1 | 0 | 0 | 0 | |
| 2021 Q4 | 408 | 0 | 0 | 0.0 |
| 2021 Q3 | 1,037 | 0 | 0 | 0.0 |
| 2021 Q2 | 1,086 | 4 | 0 | 3683.2 |
| 2021 Q1 | 0 | 0 | 0 | |
| 2020 Q4 | 919 | 0 | 0 | 0.0 |
| 2020 Q3 | 1,017 | 0 | 0 | 0.0 |
| 2020 Q2 | 1,057 | 3 | 0 | 2838.2 |
| 2020 Q1 | 60 | 0 | 0 | 0.0 |
| 2019 Q4 | 637 | 0 | 0 | 0.0 |
| 2019 Q3 | 1,105 | 0 | 0 | 0.0 |
| 2019 Q2 | 1,020 | 3 | 0 | 2941.2 |
| 2019 Q1 | 156 | 0 | 0 | 0.0 |
| 2018 Q4 | 1,001 | 0 | 0 | 0.0 |
| 2018 Q3 | 1,160 | 2 | 0 | 1724.1 |
| 2018 Q2 | 788 | 2 | 0 | 2538.1 |
| 2018 Q1 | 320 | 0 | 0 | 0.0 |
| 2017 Q4 | 987 | 0 | 0 | 0.0 |
| 2017 Q3 | 897 | 8 | 2 | 8918.6 |
| 2017 Q2 | 1,029 | 0 | 0 | 0.0 |
| 2017 Q1 | 60 | 0 | 0 | 0.0 |
| 2016 Q4 | 713 | 0 | 0 | 0.0 |
| 2016 Q3 | 432 | 0 | 0 | 0.0 |
| 2016 Q1 | 79 | 0 | 0 | 0.0 |
| 2015 Q4 | 942 | 0 | 0 | 0.0 |
| 2015 Q3 | 1,189 | 0 | 0 | 0.0 |
| 2015 Q2 | 925 | 5 | 1 | 5405.4 |
| 2015 Q1 | 90 | 0 | 0 | 0.0 |
| 2014 Q4 | 586 | 0 | 0 | 0.0 |
| 2014 Q3 | 1,506 | 0 | 0 | 0.0 |
| 2014 Q2 | 752 | 0 | 0 | 0.0 |
| 2014 Q1 | 0 | 0 | 0 | |
| 2013 Q4 | 402 | 0 | 0 | 0.0 |
| 2013 Q3 | 514 | 0 | 0 | 0.0 |
| 2013 Q2 | 514 | 0 | 0 | 0.0 |
| 2013 Q1 | 80 | 0 | 0 | 0.0 |
| 2012 Q4 | 213 | 0 | 0 | 0.0 |
| 2012 Q3 | 319 | 1 | 0 | 3134.8 |
| 2012 Q2 | 571 | 0 | 0 | 0.0 |
| 2012 Q1 | 112 | 0 | 0 | 0.0 |
| 2011 Q4 | 411 | 0 | 0 | 0.0 |
| 2011 Q3 | 581 | 0 | 0 | 0.0 |
| 2011 Q2 | 588 | 0 | 0 | 0.0 |
| 2011 Q1 | 120 | 0 | 0 | 0.0 |
No reportable incidents on file.
MSHA has no recorded reportable accidents for this mine in the current dataset. New reports appear here within a week of being filed.
For insurers, brokers, and safety consultants
The full compliance file on Portable Crushing Plant
A dated report covering the 26-year penalty trail, line-item violation pattern, contest and docket posture, rate-normalized peer benchmark, and full fatality history. Delivered as a PDF with the underlying data as CSV.